Get rid of obsolete call.

pkg/dartdoc/mirrors/dart2js_mirror.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #library('mirrors.dart2js');
 
 #import('../../../lib/compiler/compiler.dart', prefix: 'diagnostics');
 #import('../../../lib/compiler/implementation/elements/elements.dart');
 #import('../../../lib/compiler/implementation/apiimpl.dart', prefix: 'api');
 #import('../../../lib/compiler/implementation/scanner/scannerlib.dart');
@@ skipping 228 matching lines @@
       library.localMembers.forEach((element) {
         world.addToWorkList(element);
       });
     }
     progress.reset();
     world.forEach((WorkItem work) {
       withCurrentElement(work.element, () => work.run(this, world));
     });
     //world.queueIsClosed = true;
     assert(world.checkNoEnqueuedInvokedInstanceMethods());
-    world.registerFieldClosureInvocations();
   }
 
   String codegen(WorkItem work, Enqueuer world) {
     return null;
   }
 }
 
 // TODO(johnniwinther): The source for the apidoc includes calls to methods on
 // for instance [MathPrimitives] which are not resolved by dart2js. Since we
 // do not need to analyse the body of functions to produce the documenation
@@ skipping 1095 matching lines @@
     if (node !== null) {
       var span = system.compiler.spanFromNode(node, script.uri);
       return new Dart2JsLocation(script, span);
     } else {
       var span = system.compiler.spanFromElement(_variable);
       return new Dart2JsLocation(script, span);
     }
   }
 }